.gallery
  clear fix

.item
  float left
  a
    display block
    background-position 50% 50%
    background-size cover
    position relative

.lastTip
  position absolute
  left 50%
  top 50%
  width 65px
  height 27px
  color #fff
  background-color rgba(0,0,0,.3)
  text-align center
  line-height 27px
  font-size 14px
  margin-left -32.5px
  margin-top -13.5px
